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321 LA GROTTA LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

3 bed2 bath2,592 sqftBuilt 2018

Property at a Glance

This home is estimated between $541,052 and $634,365, with a best estimate of $554,695. That places the property above the I450610C - RANCHO SIENNA median of $511,660, in a neighborhood that declined 4.3% over the past year.

Estimated Value Range

$541,052 $634,365
Best Estimate
$554,695
WCAD Value
$533,592
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in I450610C - RANCHO SIENNA, this home's estimated market value is between $541,052 and $634,365. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

317 LA GROTTA LN, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,620 sqft Built 2017
Raw Value $528,632
Adjusted Value $554,529

Adjusted -$6,116 for 28 sqft less living space and +$4,913 for being newer and +$27,100 for having a pool. Net adjustment: +$25,897.

313 LA GROTTA LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,468 sqft Built 2018
Raw Value $580,181
Adjusted Value $634,365

Adjusted +$27,084 for 124 sqft more living space and +$27,100 for having a pool. Net adjustment: +$54,184.

70 SANTA MARIA ST, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,511 sqft Built 2017
Raw Value $542,667
Adjusted Value $592,372

Adjusted +$17,692 for 81 sqft more living space and +$4,913 for being newer and +$27,100 for having a pool. Net adjustment: +$49,705.

305 LA GROTTA LN, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
3 bed 2,410 sqft Built 2021
Raw Value $488,940
Adjusted Value $541,052

Adjusted +$39,752 for 182 sqft more living space and -$14,740 for being older and +$27,100 for having a pool. Net adjustment: +$52,112.

101 UMBER LN, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
3 bed 2,449 sqft Built 2021
Raw Value $511,101
Adjusted Value $554,695

Adjusted +$31,234 for 143 sqft more living space and -$14,740 for being older and +$27,100 for having a pool. Net adjustment: +$43,594.

The Neighborhood

This home is valued 4.3% above the I450610C - RANCHO SIENNA median of $511,660. With 1,070 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.3% over the past year.

I450610C - RANCHO SIENNA

typical
1,070 Properties
$511,660 Median Value
-4.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$533,592
Median
$511,660

This home is +4.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,109 across all districts. With a homestead exemption claimed, that drops to $11,276 — saving $1,833 per year. That's $940 per month a buyer should budget. The assessed value increased +2.5% vs the subdivision average of -4.3%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Liberty Hill ISDSchool1.2389%$6,611
Williamson County MUD #12MUD0.7296%$3,893
Williamson CountyCounty0.3694%$1,971
Williamson County ESD #4 - Liberty HillESD0.0745%$397
Williamson County FM/RdCounty0.0443%$237
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$13,109
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $554,695 would pay approximately $3,462 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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